Can’t connect yeelight to wifi

When I try to complete the yeelight strip set up, the yeelight network doesn’t show up on my wifi options. I had already completed the installation with another wifi network and it worked, so I know it’s not something wrong with the device itself. I have tried reseting it several times, and the light turns yellow, so it means the reset is also sucessfull. I think it might have something to do with my wifi. Maybe the router is too far away from the strip. If that is the problem, will I be able to fix it with a wifi extender, and by connecting to the extender wifi network?